1
kindly(adjective, calm, light, soft, informal)
1
lax(adjective, calm, light, soft, informal)
1
lenient(adjective, calm, light, soft, informal)
1
liable(adjective, easy, ready, subject, sensitive)
1
liberal(adjective, calm, light, soft, informal)
1
like a babe in the woods(expression, idiom, simple, fresh, innocent)
1
malachite
1
merciful(adjective, calm, light, soft, informal)
1
mild(adjective, calm, light, soft, informal)
1
mindless(adjective, dull, simple, slow, silly)
1
moderate(adjective, calm, light, soft, informal)
1
mollycoddling(adjective, calm, light, soft, informal)
1
moronic(adjective, dull, simple, slow, silly)
1
movable(adjective, easy, ready, subject, sensitive)
1
nonresistant(adjective, easy, ready, subject, sensitive)
1
obnoxious(adjective, easy, ready, subject, sensitive)
1
obtuse(adjective, dull, simple, slow, silly)
1
offenseless(adjective, kindly, ignorant, naive, unknowing)
1
out on a limb(expression, adjective, idiom, easy, ready)
1
over-credulous
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APASmart Define. (2016). gullible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/gullible/thesaurus/synonyms
ChicagoSmart Define. 2016. "gullible thesaurus" https://smartdefine.org/gullible/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, gullible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/gullible/thesaurus/synonyms>.
MLASmart Define. "gullible thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/gullible/thesaurus/synonyms>